<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html lang="en">
<head>
	<meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
	<title>str</title>
	<script type="text/javascript">
	  var str1='asqhkslskks';
	  var str2='小伙子真好看';
	  var str4="北京*东莞*广州";
	   //var  arr = str4.split('*');
	      // alert(arr);
	      //var s=str2.replace('伙','美');
	      //alert(s);
	  //alert(str1.toUpperCase());
	  //alert(str2.match('好fr看'));
	  //字符串str1第0个下标值在uncode中的对应数值
	  //alert(str1.charCodeAt(0));
	  //在uncode中的90对对应的字符是
	  alert(String.fromCharCode(97));
	</script>
</head>
<body>
	
</body>
</html>